Home / 1,305,847.15-1,802,072.53-725,071.35

Finding the Fourth Proportional to 1,305,847.15, 1,802,072.53 and 725,071.35

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Solution

The fourth proportional to 1,305,847.15, 1,802,072.53 and 725,071.35 is: 1,000,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,847.15 : 1,802,072.53 = 725,071.35 : x
  2. Step 2: Convert to fraction form
    1,305,847.15/1,802,072.53 = 725,071.35/x
  3. Step 3: Cross multiply
    1,305,847.15x = 1,802,072.53 × 725,071.35
  4. Step 4: Simplify right side
    1,305,847.15x = 1,306,631,162,125.02
  5. Step 5: Solve for x
    x = 1,306,631,162,125.02/1,305,847.15
  6. Step 6: Final answer
    x = 1,000,600.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.